// main.js
import { area, circumference } from './circle.js';

const radius = 5;

const areaResult = area(radius).toFixed(2);
const circumferenceResult = circumference(radius).toFixed(2);

console.log(`圆的面积: ${areaResult} 平方单位`);
console.log(`圆的周长: ${circumferenceResult} 单位`);